[plug] Re: Perl query: Counting letters in a string.

David Buddrige buddrige at wasp.net.au
Thu Feb 20 16:48:39 WST 2003


thanks! 8-) 

David. 

Matt Kemner writes: 

> On Thu, 20 Feb 2003, quoth David Buddrige: 
> 
>> Can someone let me know how to determine how many characters are in
>> $line_of_code?
> 
> From the perlfunc manpage: 
> 
>        length EXPR
>        length  Returns the length in characters of the value of
>                EXPR.  If EXPR is omitted, returns length of $_.
>                Note that this cannot be used on an entire array
>                or hash to find out how many elements these have.
>                For that, use "scalar @array" and "scalar keys
>                %hash" respectively. 
> 
> 
> Regards, 
> 
>  - Matt 
> 
 



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